Shareholders equity (Narrative) (Details)	9 Months Ended
	Mar. 31, 2016 USD ($) shares
Shareholders Equity 1 | shares	150,000
Shareholders Equity 2 | $	$ 625,500
Shareholders Equity 3	13
Shareholders Equity 4 | shares	1,875
Shareholders Equity 5 | shares	100,000
Shareholders Equity 6 | $	$ 380,000
Shareholders Equity 7 | shares	200,000
Shareholders Equity 8 | $	$ 200,000.0
Shareholders Equity 9 | $	500,000.0
Shareholders Equity 10 | $	$ 400,000.0
Shareholders Equity 11 | shares	174,865